Build failed. https://zuul.opendev.org/t/openstack/buildset/bc81e5ec387c43f7b0756f488d257e3f - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/bb36ba0bee614aa28a8d42760cda9b46 : SUCCESS in 3m 41s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/2dddd82e49424acc8520a63bc52f85bf : FAILURE in 3m 25s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/33b6772be5c34810a8d47234e8539bf8 : SUCCESS in 3m 53s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/54a7eacb4d8c40d1b146ec62f6d94275 : SUCCESS in 3m 59s